From nobody Mon Nov 10 20:50:39 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1558957910; cv=none; d=zoho.com; s=zohoarc; b=AM+f+gxqkUK/H1tfuMyMS0jQHGuMo+HdgNyPoL9MXyyKCtfEvMHcIoAR6OXTkhXLEisjaxCMPydHeDcmyJ3SZSILZUGJyZlphcJ9PVm/TAe1BLfsW4m5Au0oTnXp7kCSXZQOKo5UL7ucGOKff9o/b0aU6eVPzmUM3TnFrAZJY5g= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1558957910; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=HiqzOLjxBkWzhKo8tY9kaH3h15mXdTvSt1LxpnoBumI=; b=RkPL+5e8lfO7LxEDZnOTRKM/oZMEVyECIhZFH8UucanURIwKhyqo2A/aANQMGW06eUi29z06mOZTGYb7Svz8Hu1zibMcBX3N+73r80ROFY3d9/yja8XWL69LHrWCRTUVqgwpofauiJM05dbkFF4FU1L6ABxjcdNE4uoC1TgUs/8= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1558957910421993.75656300732; Mon, 27 May 2019 04:51:50 -0700 (PDT) Received: from localhost ([127.0.0.1]:44136 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hVEAJ-00018a-Bz for importer@patchew.org; Mon, 27 May 2019 07:51:43 -0400 Received: from eggs.gnu.org ([209.51.188.92]:37863) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hVE26-0003Hg-Dx for qemu-devel@nongnu.org; Mon, 27 May 2019 07:43:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hVE25-0003Ut-In for qemu-devel@nongnu.org; Mon, 27 May 2019 07:43:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47666) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hVE23-0003Su-Ko; Mon, 27 May 2019 07:43:11 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DDD4B3087939; Mon, 27 May 2019 11:43:10 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-67.ams2.redhat.com [10.36.116.67]) by smtp.corp.redhat.com (Postfix) with ESMTP id BECD85D962; Mon, 27 May 2019 11:43:06 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org Date: Mon, 27 May 2019 13:41:42 +0200 Message-Id: <20190527114203.2762-7-eric.auger@redhat.com> In-Reply-To: <20190527114203.2762-1-eric.auger@redhat.com> References: <20190527114203.2762-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Mon, 27 May 2019 11:43:11 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [RFC v4 06/27] memory: add IOMMU_ATTR_MSI_TRANSLATE IOMMU memory region attribute X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: drjones@redhat.com, yi.l.liu@intel.com, mst@redhat.com, jean-philippe.brucker@arm.com, zhangfei.gao@foxmail.com, peterx@redhat.com, alex.williamson@redhat.com, vincent.stehle@arm.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" We introduce a new IOMMU Memory Region attribute, IOMMU_ATTR_MSI_TRANSLATE which tells whether the virtual IOMMU translates MSIs. ARM SMMU will expose this attribute since, as opposed to Intel DMAR, MSIs are translated as any other DMA requests. Signed-off-by: Eric Auger --- include/exec/memory.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/exec/memory.h b/include/exec/memory.h index 352a00169f..146a6096da 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -206,6 +206,7 @@ struct MemoryRegionOps { enum IOMMUMemoryRegionAttr { IOMMU_ATTR_SPAPR_TCE_FD, IOMMU_ATTR_VFIO_NESTED, + IOMMU_ATTR_MSI_TRANSLATE, }; =20 /** --=20 2.20.1